Add Continuous Integration (CI) example
Add an example of how to use Molten Iron inside of a Continuous Integration environment. Change-Id: If4e2bc50ae475bf77d7fd933ae253e1439cb758d
This commit is contained in:
Mark Hamzy
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README.md
49
README.md
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@ -79,3 +79,52 @@ directory.
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```bash
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(LOG=$(pwd)/testenv/log; sed -i -r -e 's,^(logdir: )(.*)$,\1'${LOG}',' conf.yaml; rm -rf testenv/; tox -e testenv)
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```
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Running inside a Continuous Integration environment
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---------------------------------------------------
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During the creation of a job, add the following snippet of bash code:
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```bash
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# Setup MoltenIron and all necessary prerequisites.
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# And then call the MI script to allocate a node.
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(
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REPO_DIR=/opt/stack/new/third-party-ci-tools
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MI_CONF_DIR=/usr/local/etc/molteniron/
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MI_IP=10.1.2.3 # @TODO - Replace with your IP addr here!
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# Grab molteniron and install it
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git clone https://git.openstack.org/openstack/third-party-ci-tools ${REPO_DIR} || exit 1
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cd ${REPO_DIR}/nodepool/molteniron
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# @BUG Install prerequisite before running pip to install the requisites
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hash mysql_config || sudo apt install -y libmysqlclient-dev
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# Install the requisites for this package
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sudo pip install --upgrade --force-reinstall --requirement requirements.txt
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# Run the python package installation program
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sudo python setup.py install
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if [ -n "${MI_IP}" ]
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then
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# Set the molteniron server IP in the conf file
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sudo sed -i "s/127.0.0.1/${MI_IP}/g" ${MI_CONF_DIR}/conf.yaml
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fi
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export dsvm_uuid
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# NOTE: dsvm_uuid used in the following script, hence the -E
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sudo -E ${REPO_DIR}/nodepool/molteniron/utils/test_hook_configure_mi.sh
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) || exit $?
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```
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and change the MI_IP environment variable to be your MoltenIron server!
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During the destruction of a job, add the following snippet of bash code:
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```bash
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DSVM_UUID="$(</etc/nodepool/uuid)"
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echo "Cleaning up resources associated with node: ${DSVM_UUID}"
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molteniron release ${DSVM_UUID}
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```
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@ -0,0 +1,130 @@
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#!/bin/bash
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# Copyright (c) 2016 IBM Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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errcho()
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{
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# Redirect stdout to stderr for the echo command
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>&2 echo $@;
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}
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#
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# NOTE:
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#
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# This script expects the environment variable dsvm_uuid to be set!
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#
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if [ -z "${dsvm_uuid}" ]
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then
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errcho "Error: environment variable unset: dsvm_uuid"
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exit 1
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fi
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# Is the command-line JSON processor installed?
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hash jq || sudo apt-get install -y jq
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# Turn off Bash debugging temporarily to stop password being shown in log files
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set +x
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# allocate a BM node to a dsvm guest named dsvm_uuid, then amend the localrc
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# and hardware_info files.
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JSON_RSP=$(molteniron allocate $dsvm_uuid 1)
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if [ $? -gt 0 ]
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then
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# Save the response for local debugging
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echo "${JSON_RSP}" > /tmp/json.rsp
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errcho "Error: allocate $dsvm_uuid 1"
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MESSAGE=$(echo "${JSON_RSP}" | jq .message)
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# Is there a message response?
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# NOTE: jq not finding a message key returns null
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if [ $? -eq 0 -a "${MESSAGE}" != "null" ]
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then
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errcho "Error: ${MESSAGE}"
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fi
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exit 1
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fi
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# Convert from a JSON string into a Bash array
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declare -A NODE
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while IFS="=" read -r key value
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do
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NODE[$key]="$value"
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done < <(
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echo ${JSON_RSP} | jq --raw-output '.nodes[]|to_entries|map("\(.key)=\(.value|tostring)")|.[]'
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RC=$?
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if [ ${RC} -gt 0 ]
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then
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echo "error=${RC}"
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fi
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)
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if [ -n "${NODE[error]}" ]
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then
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errcho "Error: jq failed to parse response"
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errcho "jq .nodes:"
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errcho ${JSON_RSP} | jq '.nodes[]'
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errcho "jq .nodes|to_entries|map:"
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errcho ${JSON_RSP} | jq --raw-output '.nodes[]|to_entries|map("\(.key)=\(.value|tostring)")|.[]'
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exit 2
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elif [ -z "${NODE[ipmi_ip]}" \
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-o -z "${NODE[port_hwaddr]}" \
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-o -z "${NODE[ipmi_user]}" \
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-o -z "${NODE[ipmi_password]}" ]
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then
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echo "ERROR: One of NODE's ipmi_ip, port_hwaddr, ipmi_user, or ipmi_password is empty!"
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if [ -n "${NODE[ipmi_password]}" ]
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then
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SAFE_PASSWORD="*hidden*"
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else
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SAFE_PASSWORD=""
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fi
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echo "NODE[ipmi_ip] = ${NODE[ipmi_ip]}"
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echo "NODE[port_hwaddr] = ${NODE[port_hwaddr]}"
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echo "NODE[ipmi_user] = ${NODE[ipmi_user]}"
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echo "NODE[ipmi_password] = ${SAFE_PASSWORD}"
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echo "jq command returns:"
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echo ${JSON_RSP} | jq --raw-output '.nodes[]|to_entries|map("\(.key)=\(.value|tostring)")|.[]'
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exit 3
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fi
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# Set IPMI info file
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printf "${NODE[ipmi_ip]} ${NODE[port_hwaddr]} ${NODE[ipmi_user]} ${NODE[ipmi_password]}\\n" > "/opt/stack/new/devstack/files/hardware_info"
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set -x
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# Add the hardware properties to the localrc file
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printf "IRONIC_HW_ARCH=${NODE[cpu_arch]}\\nIRONIC_HW_NODE_CPU=${NODE[cpus]}\\nIRONIC_HW_NODE_RAM=${NODE[ram_mb]}\\nIRONIC_HW_NODE_DISK=${NODE[disk_gb]}\\n" >> "/opt/stack/new/devstack/localrc"
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# Add the allocation pools to the localrc
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IFS=',' read -r -a ALLOCATION_POOL <<< ${NODE[allocation_pool]}
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POOL=''
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for IP in ${ALLOCATION_POOL[@]}
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do
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echo "IP=${IP}"
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if [ -n "${POOL}" ]
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then
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POOL+=" --allocation-pool "
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fi
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POOL+="start=${IP},end=${IP}"
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done
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# append ip pools to the end of our localrc
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printf "ALLOCATION_POOL=\"${POOL}\"\n" >> "/opt/stack/new/devstack/localrc"
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